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1001245137 = 31805918481
BaseRepresentation
bin111011101011011…
…100100111010001
32120210000112010020
4323223130213101
54022304321022
6243204054053
733545305014
oct7353344721
92523015106
101001245137
114741a4322
1223b394329
1312c584b59
1496d9337b
155cd7a35c
hex3badc9d1

1001245137 has 8 divisors (see below), whose sum is σ = 1335139680. Its totient is φ = 667423680.

The previous prime is 1001245103. The next prime is 1001245139. The reversal of 1001245137 is 7315421001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1001245137 - 212 = 1001241041 is a prime.

It is a super-2 number, since 2×10012451372 = 2004983648732297538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1001245139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44937 + ... + 63417.

It is an arithmetic number, because the mean of its divisors is an integer number (166892460).

Almost surely, 21001245137 is an apocalyptic number.

It is an amenable number.

1001245137 is a deficient number, since it is larger than the sum of its proper divisors (333894543).

1001245137 is a wasteful number, since it uses less digits than its factorization.

1001245137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36543.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1001245137 is about 31642.4578217306. The cubic root of 1001245137 is about 1000.4148735228.

Adding to 1001245137 its reverse (7315421001), we get a palindrome (8316666138).

The spelling of 1001245137 in words is "one billion, one million, two hundred forty-five thousand, one hundred thirty-seven".

Divisors: 1 3 18059 18481 54177 55443 333748379 1001245137